java-developer

Expert Java development skill covering Spring Boot, Jakarta EE, and plain Java across versions Java 8 through Java 21+. Use when asked to write, generate, review, architect, or improve Java code. Handles: creating REST APIs, designing domain models, generating boilerplate (entities, repositories, services, controllers), code review for correctness/scalability/security, performance optimization, JVM tuning guidance, concurrency patterns, and applying architecture patterns (layered, hexagonal, DDD). Triggers on any Java programming request.